Pond pump repair is easier than you think

Pond pump repair sounds pretty intimidating. After all a good pond pump is a pretty complicated piece of kit, all wires, cogs, circuitry and complications. Surely you must need a degree in nuclear physics and some sort of Dr Who sonic screwdriver to even get it out of the case?

Well no, actually, pond pump repair is actually pretty simple for the most part. Usually your pump will have stopped working because of something simple – a pesky twig, a pile of gunk and leaves or a build-up of blanket weed. And generally these things can be prevented with simple pond pump maintenance. A bit of cleaning and care is better than pond pump repair any day.

So your pond pump is running fine and one day you find yourself wondering, why has my pond pump stopped working?

Before you dive into your pond, rip out the pump, package it up and send it back to where you bought it, you can save yourself the bother by some simple procedures.

Pond pump repair need not be left to the experts every time. These things are not as tricky as you might think. Remember, prevention is better than cure. That’s our polite way of saying, clean the thing once in a while and you’ll prevent common problems with your pond pump. Basic pond pump repair isn’t as tricky as it sounds, but often it’s just a case of light servicing.

Here at Swell we send out hundreds of pond pumps every week, and every week, we receive a dozen pumps sent back from customers who think their pump isn’t working. And in 10 of every 12, the pump is fine and the whole issue could have been resolved with some simple maintenance.

Pond pump repair: Easier than you think

Swell returns manager Phil Cross tests and services any pond pumps that are sent back and for the most part, he can repair any issues in two minutes with a screwdriver and some paper towels. Pond pump repair often isn’t actual repair – more like “pond pump spot maintenance.”

Swell's product tester performing a pond pump repair 

Phil explained: “Pond pump repair really isn’t that complicated. When a pump stops working it’s usually because of one of two things. Either the owner has a problem with their electric, or they haven’t bothered to do any basic maintenance on their pump.”

The power source can be an issue that is easily resolved as well. Because pond pumps are designed to be used outdoors they don’t come with a three pin fused plug on like white goods.

Because they live in an extreme environment (for electric, you can’t get much more extreme than under water) they are very cautious about electricity. Therefore you should always invest in a Residual Circuit Detector (RCDD).

Phil recommends the Blagdon Powersafe Water Garden Circuit Breaker. As far as your pump is concerned this is the best tenner you’ll ever spend. As soon as there’s an electrical problem it trips. That should generally tell you the problem is at your end (your home’s electricity) – so just plug a kettle in to test it. If the kettle doesn’t work, the problem is with your electrics, if the kettle works fine, the problem is at the pump end.

Phil said: “A common problem in pond pump repair and diagnosis is with the cable. People bury them underground and then cut through them with a spade. Your wiring must always be protected. And if you have multiple appliances you should use a switchbox, like the Blagdon Powersafe Four Outlet Switchbox.”

Circuit detectors and switchboxes are a must for outdoor kit like pond pumps.

So you haven’t got a problem with your electrics or wiring and your pond pump isn’t working, or maybe it’s working sporadically. This is where maintenance comes into play. Phil said: “It doesn’t matter how good a pond pump is, they will always let in particles from your pond, and over time these particles act like sandpaper and become an abrasive on your rotor. Some basic spot cleaning resolves this issue easily.”

Pond pump repair: A simple guide

So how do you go about pond pump repair and maintenance? Phil let us into his workshop and explained. “You start at one end and work your way to the pump,” he said. “Start by checking the power supply, then the cable, then the pump.” As Phil took us through the stages of diagnostics he showed us one pump that had been sent back by a customer, an Oase Eco Max 4000 – a top of the range pump. But even a top of the range pump needs a little TLC.

This pump suggests a blanketweed problem

“Straight away I can see they have a problem with blanket weed,” said Phil. And sure enough the pump’s outer casing is now a striking shade of green. It stands to reason – blanket weed in the pond, equals blanket weed in the pump. Something that doesn’t make for happy running.

It's surprisingly easy to access your pump

With a few turns of the screwdriver Phil had the pump open. Nothing fancy, just four screws and we’re into the pump. He had of course ensured that the pump was not plugged in.

You can get into your pump easily

Now you can easily check for any simple blockages. This pump is pretty clean, so maybe the problem is inside.

An initial check for any obvious blockages

Check both ends to check for any twigs and grit. Again, this one looks clear, so we need to check out the rotor and impeller.

Swell's product tester performing a pond pump repair

“First you have to check if there’s any blockages in the impeller. Pumps suck in anything that’s in your pond. So if you have overhanging leaves, berries and twigs, these can end up blocking the impeller – but this one is fine.”

removing the impeller and rotor

So if the impeller is fine what’s the next stage. Phil removes the rotor and sure enough it has been marinated in a cocktail of blanketweed, slime and grit. Phil takes a few paper towels, wipes the rotor and it comes up as good as new. Be sure to check the impeller shaft is free from debris too.

Checking the impeller shaft

If your pond filter contains a pre-filter, such as a sponge, make sure you keep it clean. We’ve previously had pond pumps returned which were so badly clogged with mud that they had caused the motor to burn out. When that’s caused by lack of maintenance, it’s not covered by the warranty.

Dirty pond pre filter

Similarly, if you buy a combined pond pump, filter and UV, do make sure you check inside to see if there are any plastic bags still on the media. Some suppliers place biological filter media in plastic bags and it’s vital you remove these, otherwise they can block the flow of water and cause the pump to break.

Pond pump pre filter media in bags

But pond slime isn’t the only issue. Phil said: “The rotor is particular prone to blockages in the south of England. They have quite hard water that is chalky and causes limescale on the rotor. It becomes like a cement and makes it difficult for the rotor to do its job.”

Limescale can be removed by soaking in white vinegar.

Phil puts the pump back together, drops it into his testing pond, and the pump now works fine. And the whole process could have been prevented with some simple maintenance.

“Another thing you should remember,” he said, “is to always test your pump in water. Many of them will not run dry. And with some pumps like Oase they also have a sensor that stops them working if another device in the pond has an electrical problem.”

Phil concludes that prevention is better than cure in pond pump repair.

He said: “Ten out of every 12 pumps we have sent back have stopped working because they haven’t been maintained or something as simple as a twig. And why is there this debris? Usually because they haven’t looked after their filter either. How often have they changed their sponges?”

And Phil reiterates that it doesn’t matter how good a pump is, if you don’t maintain it expect problems.

He said: “Oase have always been the Rolls Royce of pond pumps, then you have your Blagdon, Hoselock, Fishmate and now Bermuda. They all get sent back to us because they all require maintenance. Just clean it at the start of the season in Spring and clean it again in the Autumn and you’ve saved yourself a lot of headaches.”

Pond pump repair is often a case of “a stitch in time saves nine.”


  • Stephen Latham Posted 31/07/2013 at 7:37 pm | Permalink | Reply

    any ideas how to clear an airlock?? Pump working but erratic flow.

    • Simon Keegan Posted 01/08/2013 at 3:12 pm | Permalink

      Hi Stephen. It is our pump testing guy’s opinion that the problem is unlikely to be with the airlock and you should take another look at the impellor. If you’re not sure, please give us a call on the usual number.

  • Lucy Posted 11/08/2013 at 11:36 am | Permalink | Reply

    Our Hozelock Cyprio starts fine, then stops after about 5 minutes. Have cleaned filter throughly and cleaned pump. I checked the motor, which was a little slimy but not really clogged. The problem remains.
    Any suggestions?

    • Simon Keegan Posted 13/08/2013 at 8:42 am | Permalink

      Hi. Our first suggestion would be to check your electrics

  • phil m Posted 26/08/2013 at 3:07 pm | Permalink | Reply

    Hi I’ve got an oase 6000 on which the impeller spins for a couple of mins then stops for 30 seconds or so, then it kicks in again? I have regularly cleaned the blades and the prop shaft each winter. I have had it since 2009 do you think it is repairable or time for a new one? Any advice is greatly appreciated
    Cheers Phil

    • Simon Keegan Posted 27/08/2013 at 1:50 pm | Permalink

      Hi Phil. Is there any noticeable wear to the impellor or scoring in the impellor shaft?

  • Robert Finlay Posted 27/08/2013 at 10:06 am | Permalink | Reply

    Somewhere you mentioned Oase pump motors have a sensor. Where is this situated exactly?

    • Simon Keegan Posted 27/08/2013 at 1:49 pm | Permalink

      Hi Robert. We think you may be thinking of the Bitron which has a sensor?

  • Dean Hatfull Posted 18/09/2013 at 3:48 pm | Permalink | Reply

    Hi Phil
    I have a Blagdon pump which has lost power and shifts about 1/2 as less . I have gone through all the stages – cleaned the impellor shaft of limescale , checked for blockages etc . Its really stumping me – any ideas?

    • Jenni Hill Posted 19/09/2013 at 12:12 pm | Permalink

      Hi Dean

      How old is the pump? Since you have cleaned it well it might just be a case of old age. Phil says all he can recommend other than that is to check the power supply.

  • Mike O Posted 23/09/2013 at 4:31 am | Permalink | Reply


    Hello. I have a Tsurumi 50PN2.4S pump for my waterfalls It has been giving me “white water” falls for 7 years now. This year the flow has decreased to just a trickle. I clean and check for debris but its clean. I unplug it and then restart it and it flows better for a day or so then slows down again. Something I can fix? Expert to fix or better to just get a new pump? Thanks Mike

    • Jenni Hill Posted 23/09/2013 at 10:21 am | Permalink

      Hi Mike

      Check the power supply and check the impeller to make sure it’s not worn. If it is the impeller it might be possible to buy a new part for it. But it does sound as though it might be worth buying a new pump entirely. From what I’ve read, it seems as though this particular model usually lasts for about 4 years or so before any problems arise, so since you’ve had yours for 7 years it sounds as though you’ve had a good run!

  • Matt D Posted 26/09/2013 at 5:48 pm | Permalink | Reply

    Hi there,

    I have an Aquamax 10000 that when powered on, the impeller doesn’t spin, however, if I encourage it with my finger it runs – it has been suggested that it may be a ‘run capacitor’ that needs changeling – does this sound feasible ? Is this part easy to change ?


  • Kenneth P Posted 27/09/2013 at 10:02 am | Permalink | Reply

    Really good article and I have followed all of Phil’s steps until removing the rotor on my oase Aquamax Eco 2000.
    How do I get the rotor out?

  • Kenneth P Posted 27/09/2013 at 10:11 am | Permalink | Reply

    It’s not a 2000 it’s 8500, sorry for the error.

  • Kenneth P Posted 27/09/2013 at 10:27 am | Permalink | Reply

    It’s me again I simply pulled it and hey presto it’s out. The nylon sleeve has split so the rotor jams. Is it worth me buying a new rotor, seems expensive, or am I better getting a new pump. This one only lasted 3.5 years, my previous one lasted 12 years.

  • Keith Posted 05/10/2013 at 5:00 pm | Permalink | Reply

    Have a Blagdon 8000 and its been fine for a while. Suddenly it stopped working. I clean it regular and removed the discharge hose to the fllter and put a garden hose into the line up to the filter and sure enough water came through. I proved the discharge line clear. Problem ? Then submerged the pump pumped water through the outlet into the pond. So replaced the discharge line to the outlet and waited top near the filter inlet but no trace of water……Help

  • Ray W Posted 22/10/2013 at 12:32 pm | Permalink | Reply

    I have a Oase Aquamax ECO 4000 the same as that in your demo. and I have followed all your instructions and thoroughly cleaned and re-assembled the pump. It worked fine for 4 days and now its down to a trickle again. It is attached to filter (Oase Filtoclear) and I thought this may be causing the problem, but I have disconnected it from this and the result is the same. Help!

  • Gavin Posted 21/01/2014 at 5:47 pm | Permalink | Reply

    Hi thanks for this. Two days of worrying about having to take my Oase pump in for repair/replacement, it’s working fine again 🙂

  • Paul Posted 02/02/2014 at 6:47 pm | Permalink | Reply

    I have an Easy Jet pump, not sure which model, may be 3000, as I don’t have the box I don’t know. I have the instructions but they cover all of the range. How do I tell which one it is? The problem I have is that it has stopped pumping with any significant pressure, power is fine but output of water is weak, impeller problem possibly. So, I don’t know which spare to buy as I don’t know the model and I cannot see how to get into the apparently sealed unit housing the impeller. Any help gratefully received.

    • Jenni Hill Posted 17/02/2014 at 9:13 am | Permalink

      Hi Paul

      It’s probably best if you give us a call on 0161 351 4700. One of our advisors can have a chat to you about this and give you an email address to send us a photo over. If you bought the product from us we could also have a look on our system to find out which model it is.

  • Peter O'Brien Posted 22/02/2014 at 12:31 pm | Permalink | Reply

    I have a Bermuda BER254 pump which was working fine, it is a few years old though, but it now starts for a short while then stops then starts again, but not to its full potential at any time. Do you have and suggestions? it has been regularly cleaned thoughout its life.

  • Daniel Doe Posted 05/04/2014 at 5:34 pm | Permalink | Reply

    I have a new hailea hx 8830f fountain pump which runs for 1 minute then cuts out, switch off switch on and same thing have checked hoses valves impeller casing etc and no joy electrics appear fine as my other pump works fine any ideas as I’m going mad!

    • Cat Byrne Posted 01/07/2014 at 11:52 am | Permalink

      Hi Daniel,

      This sounds like an electronic failure within the pump, possibly due to faulty thermal cut-off. It is best to contact your retailer for repair or replacement under warranty.

  • Andy Simpson Posted 07/04/2014 at 2:18 pm | Permalink | Reply

    I have an Oase AquaMax RB 16000 pump (roughly 3 years old)in which the rotor jammed. I have now managed to get the rotor/impeller turning again, but was not able to extract the rotor to clean it. The pump is now running fine (apparently)but I’d like to be able to get the rotor out to see what jammed it in the first place. Any suggestions as to techniques that might help?

    • Cat Byrne Posted 01/07/2014 at 11:51 am | Permalink

      Hi Andy,

      You need to remove the strainer cage to access the motor; the intake should now be visible and this unscrews from the front of the motor giving access to the impeller. The impeller need only be gently pulled for removal.

  • Pat scott Posted 13/04/2014 at 9:44 am | Permalink | Reply

    How do I get into my impeller to clean it, my waterfall has stopped working. It’s a blagdon 4500/6000. Would it stop running if the uvc lights not working. Thank you.

    • Cat Byrne Posted 01/07/2014 at 11:50 am | Permalink

      Hi Pat,

      You need to remove the strainer cage to access the motor; the intake should now be visible and this unscrews from the front of the motor giving access to the impeller. The impeller need only be gently pulled for removal. The lights should not affect the impellor.

  • Graham S Posted 20/04/2014 at 1:33 pm | Permalink | Reply

    I have an Aquamax 16000 that when powered on, the impeller doesn’t spin, however, if I encourage it with my finger it runs – Matt D above suggested that it may be a ‘run capacitor’ that needs changeing – does this sound feasible ? Is this part easy to change ?
    ps has Matt D solved his problem I wonder

  • Debz Posted 04/05/2014 at 10:14 am | Permalink | Reply

    Hi, I’ve got a Oase Aquamax 4000 it was working fine before I cleaned the outer casing but now when I plug it in it trips the power, I’ve tried to open it but can’t find the correct tool for the four screws they are star shaped with a metal pin in the middle….. Any ideas where I can buy the tool from and can I get to the wire for the plug once opened.

    thank you

    • Jenni Hill Posted 29/05/2014 at 2:19 pm | Permalink

      Hi Debz. Is the pump within warranty? The Oase Aquamax can sometimes be difficult to get into without causing damage!

  • paul haughin Posted 15/05/2014 at 4:38 pm | Permalink | Reply

    I have an Oase biopress 4000. Was working fine, now all of a sudden it trips the electrics every time I switch the uv on. I have narrowed it down to the uv as everything else runs fine as its all controlled off a blagdon 5 socket control box. If I remove the ballast unit from the housing and switch it on it seems to work fine, but as soon as its placed back in the filter housing and switched back on it trips out again. Very frustrating and probably something simple, so any advice would be appreciated. Thanks.

    • Jenni Hill Posted 29/05/2014 at 11:14 am | Permalink

      Hi Paul. Phil suggests checking the quartz sleeve for any cracks, along with checking the ‘O’ring to see whether that is cracked too. Any damages to these parts can cause it to trip! Let us know how you get on.

  • Barry J Posted 17/05/2014 at 9:25 am | Permalink | Reply

    HI, I have an Aquamax eco 8000 that appears to keep faulting. It is situated dry in a pump house and is fed via a shimmer and feeds out back into the pool all via a 55w UV and large bore piping. It has run happy for 5 years no problems. When switched on it runs for a few seconds and stops and repeats this 10 times. Switch off (reset) and back on it repeats. I have taken out the pump and there is no damage or debris. I have checked the pipework , all clear and water flows freely.
    It there a run /pressure sensor that could be faulty, or do you know of any other issues that may cause this that could be repaired.

    • Jenni Hill Posted 29/05/2014 at 10:58 am | Permalink

      Hi Barry. Sadly, it sounds like after 5 years your pump is on its way out and the end is near! I’ve chatted to our pond pump expert, Phil, and he doesn’t think there is much more that you can do to fix it. Sorry Barry!

  • Dave Posted 19/05/2014 at 2:42 am | Permalink | Reply

    I have a lotus pump which keeps cutting out. I’ve check the power supply, cleaned the impeller etc and its runs fine for a few hours then cuts out. I leave it switched off for while and when I switch it on it runs for a few hours then cuts out again. Any ideas?

    • Jenni Hill Posted 28/05/2014 at 3:05 pm | Permalink

      Hi Dave. How old is the pump? And did you buy it from us? It may be covered under a warranty, in which case we can look into repairing it or replacing it for you if necessary!

  • Alan Cotton Posted 23/05/2014 at 1:36 pm | Permalink | Reply

    Thanks for the article. I used it to open up my promax 30,000. It appears one of the pumps is jammed (causing rcd tripping). The singlepumpappears to be sealed with an unusual screw head – is there any way in to them?

    • Jenni Hill Posted 28/05/2014 at 2:57 pm | Permalink

      Hi Alan.

      It sounds like the kind of problem that may be difficult to resolve yourself. Did you buy it from us? And how long have you had if for? If the standard warranty has run out, it may be covered by the manufacturer’s warranty. Feel free to give us a call on 0161 351 4700, and one of our advisors can chat to you about it.

  • Eddie Lopez Posted 23/05/2014 at 8:18 pm | Permalink | Reply

    Hi, Interesting article which I have followed and taken my Laguna Max-Flo 2200 PT-340 apart to discover that the Impeller Assembly appears to have sheared.

    Is it worth my repairing? Can I buy a spare Impeller Assembly to replace it? Do you stock them or know who does.

    My address is in Exeter, Devon

    Thank you

    • Jenni Hill Posted 28/05/2014 at 2:53 pm | Permalink

      Hi Eddie

      How old is the pump? Is it still within warranty? We don’t sell this product ourselves unfortunately, but it sounds as though it may need a new impeller or replacing all together.

  • Eddie Lopez Posted 29/05/2014 at 1:03 pm | Permalink | Reply

    Hi Jennie, thanks for your reply. The pump is out of warranty, about 4 years old. Do you know if I can buy a spare Impeller Assembly, the booklet says the part replacement number is PT-455. Otherwise it sounds like it needs to be dumped.

    Look forward to hearing from you, thanks

    Eddie Lopez

  • Eddie Lopez Posted 02/06/2014 at 2:54 pm | Permalink | Reply

    Hi Jenni, found a site (Aquatic Mania) which is sending a replacement Impeller Assembly, so hopefully it will be the correct one and I can re-assemble it all OK


    Eddie Lopez

  • John Payne Posted 09/06/2014 at 6:29 pm | Permalink | Reply

    Hi, I have a problem with a Aquaforce 2500 pump that has stopped, I have cleaned it as you suggest wiping rotor and all parts, it runs for 3 minutes at full bore then stops. I have checked the connection on the Blagdon 4 outlet power supply and that is all good. Another older pump running from the same electrical supply is fine. Help please

    • Cat Byrne Posted 19/06/2014 at 11:37 am | Permalink

      Hi John,

      I have spoken to our pond advisor and he has suggested that the pump is likely to be broken. If it is within warranty, you should contact the retailer for a replacement. If not feel free to look at our pumps here (http://www.swelluk.com/pond/pond-pumps-62.html) or call us for advice on 0161 351 4700.

  • Mark Gabbey Posted 21/06/2014 at 9:32 am | Permalink | Reply

    I am following your helpful guide to get my oase aquamax eco 16000 pump running again. How do you remove the rotor? (looks easy on the photos!)



    • Cat Byrne Posted 25/06/2014 at 2:24 pm | Permalink

      Hi Mark,

      You may need a screwdriver to remove the intake in front of the impeller. Once the impeller is visible, grasp it and pull – then it should come free.

  • keith sanderson Posted 23/06/2014 at 6:02 pm | Permalink | Reply

    hi ive got a oase living water pump is there anyway to slow it down many thanks

    • Cat Byrne Posted 25/06/2014 at 2:25 pm | Permalink

      Hi Keith,

      It depends which Oase pump you have, Some are electronically dimmable, some have a built in flow control and others require a ball valve. Call us on 0161 351 4700 if you need help identifying which one you have.

  • Jo Posted 23/06/2014 at 9:25 pm | Permalink | Reply

    I have a Blagdon all in one 1400 pump. Since taking it out and cleaning the filters my sensor light does not work. It will give a quick flash as you switch it on and off but nothing more. I have changed the light bulb and cleaned the sensor off but this hasn’t made a difference.
    Please help

    Many thanks

    • Cat Byrne Posted 25/06/2014 at 2:28 pm | Permalink

      Hi Jo,

      This is probably a failed sensor which isn’t available separately as far as I am aware. Equally it could be a loose wire in the light. We wouldn’t recommend taking apart the electrics of the pump so you could either buy a new pump to have a working light or maybe buy a separate pond light set however pond light sets will not have a sensor.

  • Ray LaBorde Posted 25/06/2014 at 2:55 pm | Permalink | Reply

    Hi, my wife bought a TopCraft Cartenpumpe, TCGP 1007 when she was last in Germany. I tried it for the first time yesterday and, although the electrics work, and the inlet pipe is submerged in the water (a free running stream/river)and a gerden hose attached to the outlet, no water is being sucked up wrom a modest depth of about three metres. Air lock perhaps?

    • Cat Byrne Posted 25/06/2014 at 3:38 pm | Permalink

      Hi Ray,

      Have you checked the rotor/impeller for any blockages?

  • Jacqui Posted 26/06/2014 at 1:31 pm | Permalink | Reply

    I have an Oase Nautilus pump which is a few years old and is now clogged up. However, the four screws which hold it together aren’t of a type I have seen before. Do you have any idea how to open this pump up? Many thanks…

    • Cat Byrne Posted 01/07/2014 at 9:56 am | Permalink

      Hi Jacqui,

      Unfortunately we do not stock the Oase Nautilus so can not check, we stock a newer version. The current version uses normal Phillips screws but it is possible the older model (your model) uses star drives which should be readily available at any DIY store. You may be looking at security screws which look like star drives but have a dimple in the centre – these are used to prevent access so you may be looking at the wrong area.

      You may be best contacting Oase for advice on this one one 01264333225.

  • Richard Pope Posted 27/06/2014 at 6:25 pm | Permalink | Reply

    I have a fishmate 5000 which has suddenly stated running very intermittently

    Any ideas what has gone wrong it is almost two years old

  • John Carter Posted 08/07/2014 at 4:12 pm | Permalink | Reply

    I have a Fish-Mate 2400. It was working until last week when I removed it from the pond to clean it. After thoroughly cleaning the pump it is not working at all. By turning the cover, which sits over the impeller to & fro, the pump comes to life but for a couple of seconds but that’s it.

  • Rickie Posted 14/07/2014 at 4:51 pm | Permalink | Reply

    I have a Pond One Shark 5500 it has just stopped working, I have stripped and cleaned it, I can fill the pump hummer on occasions as it seems there is a current going into it, but the impeller does not spin.

    • Cat Byrne Posted 22/07/2014 at 11:26 am | Permalink

      Hi Rickie,

      If just the impeller is worn or damaged, you may be able to purchase just an impeller. However, if the housing and impeller is damaged you will need a new pump altogether.

  • alan bull Posted 19/07/2014 at 4:39 pm | Permalink | Reply

    I have a oase eco 12000.Its stopped working ,when switched on it bleeps,and again when switched off.Have stripped it down to expose just the motor and the impeller.I seem to remember when I had trouble with my other pump of same make a flick with finger set it going ,this one appears to turn much more stiffly more than can be done by finger pressure.
    Can you help

    • Cat Byrne Posted 22/07/2014 at 11:27 am | Permalink

      Hi Alan,

      You need to remove the impeller and check for wear and damage. If worn, check the impeller tube (where the impeller sits) for similar damage. If only the impeller is damaged or worn then a new one can be purchased. You will need to call us on 0161 351 4700 as we do not stock this item, but can get in touch with the supplier.

      If both the impeller and housing are damaged or worn, you will likely need a new pump.

  • Nicola Posted 24/07/2014 at 9:18 pm | Permalink | Reply

    Hope that you can help, I have just noticed that the cable on my pump is perished pretty much every where, do you know if it is possible to replace the wires or is this just too risky,
    Kind regards


    • Cat Byrne Posted 25/07/2014 at 1:30 pm | Permalink

      Hi Nicola,

      The wire on a pond pump is completely sealed which means you can’t replace just the wire. Unfortunately, you probably need a new pump as this won’t be easily repaired.

  • mare erskine Posted 07/08/2014 at 12:38 pm | Permalink | Reply

    Our lotus diamond 220 stopped working and as you suggested we took it out and looks like a few seeds had managed to get in where the impeller is removed them and it is now working do you know if it is possible to get a new impeller? so we have a spare, have found a lotus impeller little gem for sale and wondered whether you would know if this would fit?

  • CHAUDY Joel Posted 31/08/2014 at 8:11 pm | Permalink | Reply


    I have a OASE pump model AQUAMAX 8000 and I would like to replace the run capacitor but I can’t read the reference to buy a nex one. Could you please tell me if you know the reference of the run capacitor please ?

    Best regards,

  • Ron Posted 14/09/2014 at 8:50 am | Permalink | Reply

    My pond pump is a Pisces Esprit 5000 (13 months old)Though it still works a loud hum has developed.I can’ t find a way to access the impeller.Is this a sealed unit and is there another possibility for the “hum”?
    Hope you can help,

  • jonathan howell Posted 26/09/2014 at 11:52 am | Permalink | Reply

    my blagdon FH 8000 just stopped, so i opened up cleaned any limescale within tube where the impeller goes and replaced impeller with a new one. but i cant hear anything from the pump at all, when i took it out of water before opening it was hot but moving no water. any idea goit a feeling its had its day

  • ken Posted 12/10/2014 at 7:27 pm | Permalink | Reply

    My blagdon Force hybrid 6000 stopped working. Took it to pieces and cleaned it put it back together. Still will not work. Any tips as to what could be wrong. It was working, I switched it off to clean filters and would not work when I switched back on. I tried the fuse ect

  • Peter Posted 13/11/2014 at 7:46 pm | Permalink | Reply

    Hi I have a hoselock 6000 which seems to have lost all suck the impella is working but can be stoped with my finger (probably not a good idea )but all is clean inside the pump if four years old.

  • Wins Damien Posted 17/11/2014 at 9:45 am | Permalink | Reply

    I have an oase aquamax rb 16000 where the power cord is damaged nearby the pump.
    I’ve removed the rotor and casing, but how to open the motor to replace the cable? From what I see they’ve build a specific tool to open it… Do you have another idea? Thanks!

  • brandon williams Posted 08/03/2015 at 6:45 pm | Permalink | Reply

    Hi i have a 17000lph pump like whats in the pictures above and the compasitor has burnt out and i cant see what one i need would you be able to find out what one i need to repair it.

  • Simon Posted 08/03/2015 at 6:46 pm | Permalink | Reply

    hi all my oase aqua max 1600 and the capacitor has burnt out
    Does anyone know where I can buy a new one

  • julie Posted 12/03/2015 at 10:16 am | Permalink | Reply

    hi i have a all in one cup129 turned it on after leaving it off all winter and it worked fro a bit then tripped all the switches iv cleaned it checked it over anything else i can do before i go and buy a new one please julie

  • paul bolger Posted 24/03/2015 at 2:11 pm | Permalink | Reply

    everything was fine until I decided to do something about the support for the filtre. the pump is running and has been cleaned but for some reason it is not pumping, any ideas.
    thanks paul

  • Glynn Posted 29/03/2015 at 5:24 pm | Permalink | Reply

    Hi, I’m hoping you can help. I have a pump in the pond which powers the water to my fishmate 10000 filter which then sends the water out of the outlet pipe down my built water fall. It was due a clean so I have disconnected both inlet and outlet pipes to the filter removed the insides and cleaned them, cleaned all the sponges and I have put everything back as it was and connected the pipes back on. I have turned it all back on but nothing is happening now, the pump in the pond is working, I have sucked water through the pipe from the pump so that is ok. My fishmate10000 seems to have stopped working. Has I say it was working fine before and all I have done is clean my fishmate 10000 and now it doesn’t work can you help please ?

  • John thurston Posted 12/04/2015 at 6:01 pm | Permalink | Reply

    I have an Oase aquamax RB16000.
    Cleaned but runs for 5 secs then trips the breaker.
    The other similar pump on the same circuit runs fine.
    Any ideas please

  • Linda Posted 18/04/2015 at 7:07 am | Permalink | Reply

    I have just cleaned my oasis 6000 pump as the water would not pump round. Unfortunately this did not work, I have a slight leak I’m hose never has affected the pond before. before I go out and purchase another pump, anyone got any ideas what could be the problem.
    Kind Regards

  • Mike Hosking Posted 18/04/2015 at 4:22 pm | Permalink | Reply

    I have a hozelock easy clear 6000 Model 3006-0006 pump/fountain it is about a year old.
    It has recently started to work for about 5 minutes then stops. If i switch off the power,leave it for about 5 minutes it will start working again for 5 minutes then stop again. It i do the same again it starts then stops again as above, etc,etc,etc.
    I have cleaned all visible filter and electric supply to pump/fountain which is all okay.
    can yo give me any ideas of what may be the problem i am okay doing DIY repairs if i need any spares can you supply.

  • Rachel Posted 28/04/2015 at 2:47 pm | Permalink | Reply

    Hi, I have followed all your instructions in order to get my oase all in one working again. After replacing the uv bulb it has stopped working altogether. I have checked the power supply which is fine. I have cleaned out the areas such as impeller, which again is all clean and free from dirt or weeds. I have taken it all apart 3 times to ensure all clean and fitted together correctly. It still won’t work! Please help!

  • Peter Scott Posted 17/05/2015 at 3:07 pm | Permalink | Reply

    Firstly I must thank you for this blog which has been a big help. I have two OASE Aquamax 16000 Dry. Both have stopped, one after three months. Using your guide above I have taken the old one apart and it was not bunged-up. When I tested them, you can hear the motor turning but impeller is not turning. I can not pull out the impeller as in the guide. I have tried a bit of leverage with a screwdriver but I do not want to bust it. Help what can I try next ?


  • A Reid-Smith Posted 25/05/2015 at 11:39 am | Permalink | Reply

    I have a 14 year old Oase Aquamax 5500 has worked brilliantly but think the motor has given-up. Was making a buzzing sound today and having dismanteled the unit the Rotor Impeller looks fine. Is it possible to get a replacement motor? Kind Regards

  • Wendy Posted 03/09/2015 at 10:43 am | Permalink | Reply

    Hi I have just purchased a laguna pond kit working fine at first but all of a sudden stopped cleaned it and working but not pumping water to the filter box help thanks

  • Richard Barker Posted 01/10/2015 at 3:49 pm | Permalink | Reply

    We have a Hozelock Aquaforce 6000 which is about 7 years old.
    I do clean the pump and this was a trouble free.
    It has stopped working and l think l need a new spindle its looks like to bottom part of it has worn away It is copper . Please advise how much a new part will cost.
    Richard Barker

  • Brin Richards Posted 21/10/2015 at 1:03 pm | Permalink | Reply

    I have Oase Aquamax 10000, I cleaned it using your excellent guide It mostly need a shake or nudge on the rotor to start it. It will then run no problem until the power is switched off Impeller will then twitch but not run without help. Any help will be appreciated
    Ps pump has security type bolts holding it together, I used a Dremel to cut screwdriver slot in the heads ton remove!. Thanks Brin

  • Paul Daly Posted 15/11/2015 at 5:05 pm | Permalink | Reply

    we have a Bermuda 30000 pond pump which seems to be causing our circuit breaker to cut out. We have tested the socket the pump uses with other electrical items (pond lights etc.) and they are fine. We have also cleaned the pump, removed the impeller and cleaned this as well. We put it back together, it works for about 10 or 20 seconds and then blows the circuit breaker. The impeller seems to be moving freely, so cannot see a snag that would warrant replacing the impeller – do you have any ideas?

    • Georgina Posted 14/12/2015 at 3:18 pm | Permalink

      Hi Paul,
      We would suggest checking the power cable for damage. Have you tried to use the pump without the circuit breaker as this could be faulty? Failing this, the problem is with the pump itself.
      Kind regards,

  • Keith B Posted 01/01/2016 at 7:52 pm | Permalink | Reply


    I moved into a new house about two years ago which has both an Oase Aquamax 400 and Oase Filtoclear 3000, feeding a waterfall into the pond. I am unsure of the system’s age. All was running well until a few days ago when the house electrics tripped out and I noticed the Aquamax pump had stopped. I’ve checked the sockets and they are good. I’ve followed your excellent guide above and completely cleaned the pump. I have also checked the filter and cleaned that out too – it was a little hard to pump the hand pump for compressing the sponges but assuming that’s just stiff through lack of use. Now, if I turn off the electricity and then switch back on again, the pump will start for a few seconds then stop, then start again for a few seconds, then stop completely. It sometimes runs for a few seconds longer if I hold it upright in the pond water, but will still eventually stop completely. I have heard about a cut out switch in pump so wonder if this may be the problem, but can;t seem to locate it and don’t really want to start taking the actual pump motor apart. The only other point of note is the impeller in the pump moves freely when turned by hand but does stop at 90 degree intervals – i’m assuming this is due to the magnets inside the pump that drive the impeller, particularly as the feeling I get when turning the impeller is of a magnetic field. Any advice you have on what I can do is gratefully received.

    Regards, Keith

  • richard Wood Posted 06/02/2016 at 1:43 pm | Permalink | Reply

    I’ve just moved and taken over a pond it has an Oasis filter uv which was working quite happily we had several power cuts one day in our area and now although I have power to the filter in the pond which is trying to work it is not pumping any more

    • Fran Marshall Posted 11/03/2016 at 4:55 pm | Permalink

      Hi Richard,

      Best thing to do is to change the fuse incase it has blown, and if this doesn’t work the power cut has most likely damaged the motor. You will need to purchase a new pump if this is the case, if you want to call our advisors on 0161 351 4700 and we can discuss which will be best for you.

  • morris coop Posted 09/02/2016 at 3:17 pm | Permalink | Reply

    hi, I have a oase neptun 3000 .cannot get to the impeller .the cover is secured by 4 bolts that icannot open. please help thanks.

  • morris coop Posted 10/02/2016 at 3:35 pm | Permalink | Reply

    hi, ihave a oase 6000 neptune cannot get to the impeller .the holding bolts are nothing like i have ever seen before. please help .

    • Fran Marshall Posted 11/03/2016 at 4:57 pm | Permalink

      Hi Morris,

      The best thing to do is probably call Oase on 01256 896886, they have a really good customer service and they can talk you through it

  • Rob Rand Posted 21/02/2016 at 3:32 pm | Permalink | Reply

    I have a Fish Mate 9000 that had become very noisy and worn, but was still pumping well. I bought a service kit and fitted it but now it only turns slightly then won’t run. I have moved the rotor which will turn clockwise, but when turned anti-clockwise it comes against a stop . I have tried it out of water briefly and got it running for a second or so but with a clicking sound and then it stops. Can you advise please?

  • Robin O'Connor Posted 16/03/2016 at 10:33 am | Permalink | Reply

    Hello I have been using an Oase pump, it looks like the one shown in this article for several years, apart from a clean out every few months it has been superb. It runs with a Bitron 9 filter. Both RCD protected. Recently I have had some electrical trip outs at home from the RCD, the electrician checked the whole house, all he could find was a very small 0.05 amp return from either the pump or the filter. I have just cleaned both, (nice messy job) the filter needs a new uv bulb, any suggestions which could be causing the issue and where to look?

  • Holly Posted 30/03/2016 at 8:13 pm | Permalink | Reply

    Hi, I have an all pond solutions 3500 kph pond pump and it’s been working fine until yesterday, I have gave it a proper clean etc it is running and the motor is working it’s just not sending/pumping the water to my filter, any ideas?


  • Phil Posted 11/04/2016 at 6:05 pm | Permalink | Reply

    Have Oase Nauutilus 8000 which has suddenly stopped working. Have taken outer casing off and the rotor spins perfectly. Pump has always been serviced but is 14 years old. Have tried getting into the pump but cannot loosen 2 star shaped screws that look like they are not meant to be undone. Suggestions please

  • Lionel Posted 04/05/2016 at 2:27 pm | Permalink | Reply

    Hi, I’ve been running an Aquamax 15000, pumping through inch & half to my 55 watt UV into a multi chamber systems for the last 18 years ( which I can’t complain) but of recent the flow rate slowed then stopped even though all was clean followed by the circuit breaker tripping, do you think I should just get a new pump & if so what new pump would give the same flow rate ? Regards Lionel

  • julie Posted 30/05/2016 at 10:20 pm | Permalink | Reply

    my darling hubby has sliced through the cable about 4ft from the pump, can it be reapired? he didnt know it was there as we have just bought the house, Help please

  • Taps Posted 03/06/2016 at 1:27 pm | Permalink | Reply

    Hi. I have a Hozelock Titan 8000 and the impellor housing is caked in limescale so the rotor is trying but not turning. A cloth and white wine vinegar is not touching it. I am loath to scrape it. Any ideas please?

  • Chris Posted 11/06/2016 at 1:27 pm | Permalink | Reply

    Hi, I have a Haskell PJ5000 which has just stopped working, power form garage is OK . The filter sponge was OK though have cleaned it and taken the impeller cover off and it spins ok. Cannot get at the cable to see if power is getting to there as the screws are not standard (similar to allen ), any ideas, Thanks


  • Stewart Posted 13/06/2016 at 8:56 am | Permalink | Reply

    I have disassembled my Oase pump as it kept tripping the electrics and found there was quite a lot of water inside, not full but very wet. There is a bag of what looks like silica gel inside. Am I right about that it is silica gel and do I need to replace it?
    Thank you

  • Geoff Studerus Posted 21/06/2016 at 11:09 am | Permalink | Reply

    I have a Blagdon 650 Auto shut Off Feature Pump bought in 2014 and running perfectly until recently. When I switched on the power the pump failed to run. I took it out of the water, opened and cleaned both ends of the casing (there is no cleanable filter that is obvious), put it in a bucket of water, switched on and the pump ran. After a couple of minutes the pump stopped. I left it overnight to think about it, and this morning again took it out of the water to try to find a “blocked” filter. None found, but when I put it back in the water and switched on, the pump ran and pumped water for about another 2 minutes – then stopped. Electrics therefore appear to be OK – what else could it be, other than a fault inside the pump motor ? Please advise.

  • sid Posted 07/07/2016 at 9:32 pm | Permalink | Reply

    my oase pump is fine all night, but come lunchtime spends the next 6 or 7 hours tripping my rcd, within 5 mins to half hour) then as the sun goes down is fine again till the following day (upto 12 hours) during the day i cant even boil a kettle, at night i can run everything in the house at once without issue, has taken 5 days of constant switching things off unplugging things to determine it is actually the pump (even the boiler and fridge freezer) worst times is noon till 5pm, im sooo confused, think my pump got bit by a vampire

  • Mrs D Posted 20/07/2016 at 11:20 pm | Permalink | Reply

    Hi we have a pump which works wonderfully however whilst trimming the pond plants I accidentally cut the cable which goes to the power supply, plz advise how this can be fixed or will i need to replace the whole pump ?

  • Richard Posted 12/08/2016 at 7:36 pm | Permalink | Reply

    I cut through power cable very close to pump. Can I rewire in to pump?

  • Steve Trevelyan Posted 28/08/2016 at 11:54 am | Permalink | Reply

    I have an aqua max 12000 , I noticed flow was reduced and was not enough to draw down the oase skimmer . I had a look at the pump , no blockages and impeller spins freely but I can see a decreased flow from outlet. The TVs did trip when playing around with it but just the once , otherwise it’s fine …has impeller worn ? Any ideas ??

  • Steve Trevelyan Posted 28/08/2016 at 11:55 am | Permalink | Reply

    Ps Id say flow is down 30%

  • Eamonn Quigley Posted 04/09/2016 at 12:49 pm | Permalink | Reply

    I have a oase classic eco 5500 approx 2 years old. It has stopped pumping. I opened it and removed the impellor and found it to be in good condition except for a worn plastic bearing? It is located at the opposite end of the shaft from the impellor fins. The pump will run briefly with encouragement from my finger, but stops again after a few seconds. The pump was located after a cetus sieve, so was only ever exposed to 300 micron or less sized dirt particles. Do you think it could be this worn plastic bearing type object on the impellor?

  • Steve Trevelyan Posted 06/09/2016 at 10:13 pm | Permalink | Reply

    My aqua max 12000 is still run mining but at a reduced flow , not enough to draw down the floating skimmer , no blockages , so is this simply a worn impeller ?

  • james Posted 15/09/2016 at 10:19 am | Permalink | Reply

    hi i have a mite pond 2000 i found i have a current running through the water ive changed the plug and power supplies to the pump cleaned the filter and made sure therevis no debrea in the pump it still works just the charge in the water any ideas thanks james

  • Richard Knox Posted 17/09/2016 at 12:25 pm | Permalink | Reply

    Can the electric cable to the motor on a Jeboa 18000 be replaced? I had just finished cleaning my pump and was in the process of putting it back together when I dropped the motor and by sods law the rim of the casing fell onto the cable cutting through the outer rubber and also severing completely the earth wire. Ordinarily this would not be a problem but the cable has been cut about 25mm from the entry point into the casing! Any suggestions

  • Renton Posted 13/10/2016 at 6:58 am | Permalink | Reply

    I use a couple of King 4 pumps out of China for my hydroponics… they’ve been very good, though do need a bit of maintenance. They’ve effectively run for about ten years continuously. I also hold a couple as spares…plants in hydroponics can’t do without nutrient, so I can’t afford to have the pumps stopped for any more than a couple of hours…
    Anyway…during a recent dose of maintenance I noticed that the magnet of one of the older impellers is only about half the strength of a new one. I have never come across this before and imagine that the pump would have a corresponding loss of power/output, and this maybe the cause some of the issues I had. Are you aware of magnets in pumps ever failing and if so any ideas on what could be the cause?

  • Mark Posted 14/10/2016 at 2:15 pm | Permalink | Reply

    Hi I have a FiltoClear 30000, but I’m getting a lot of algae building up on the pond surface, is it possible to check the UV filters working ok?

  • Dave Stephens Posted 20/10/2016 at 10:06 pm | Permalink | Reply

    I have a Oase Aquamax ECO 8000 CWS pond pump, The wire has been cut about a foot from the pump. Can I get inside the pump to connect the broken wire. And would I need a new gasket to put it back together again.. Would be great if you can help me. Dave

  • Jim Posted 05/01/2017 at 12:36 am | Permalink | Reply

    Hi, i have a problem with my laguna 1500 maxi-pro pump, it turn off in exactly 7 ,8 seconds and stop working, please help ,thanks

  • Gary Chubb Posted 25/02/2017 at 1:52 pm | Permalink | Reply

    I have a Oase Aquamax Eco 8000 I’ve just cleaned my filter box & pump & now the pump as stopped pumping water into the Filter so I removed pump from water & removed hoses & strainer casing & ran it dry ,then propeller’s was working ok I then put it back together but still doing the same thing as before which was rumbling 5 times then cutting out on the fifth turn it dragged water into box then cut out, the other 4 attempts was just rumbling! I did wonder if I had swapped my hoses around as I have a main hose to pump outlet & satellite filter fitted to inlet regulator on setting 2 but all good there! thanks Gary!

  • Veronica Posted 02/03/2017 at 8:45 am | Permalink | Reply

    Hi there
    We have a 1 yr old Oase Filtral 6000 and my gardener cut through the power cord. Immediately the pump stopped & I had a garden electrician come out to repair the cut electrical cord & we pulled the repaired cord back into the pump unit itself. Alas the pump continues to trip the power. Is it possible to change the entire power cord supply within the unit? Or is it a new pump needed now?

  • Diane Uphold Posted 16/04/2017 at 2:57 pm | Permalink | Reply

    I’m having issues with my pond pump forcing enough water out of the filter system. It works and then it almost completely stops like there’s not enough pressure. We have opened it up reviewed everything on the inside confirm it’s a working. I have pressure coming out of the top of the pump but no pressure going through the portion of the pump that shoots at through the filter. Any suggestions?. We have cleaned all the lines so there’s no blockage

  • Jennifer Posted 01/05/2017 at 4:23 pm | Permalink | Reply

    I have a Pontec2500 feeding a water spout in a very small pond. To stop splashing and annoying the neighbours we have to have it on practically a trickle. The impellor is very noisy unless it is turned up to a heavy flow. What can I do please? It was only installed last year and is cables in by an electrician so can’t easily be exchanged. I have cleaned iit and have seen stuff on YouTube about silicon oil or Vaseline to make the impellor run smoothly. What do you think please?

  • Arthur mcdonaldson Posted 16/05/2017 at 3:30 pm | Permalink | Reply

    I have a Hozelock cascade 3000 and it stops working after 2 minutes of being plugged in. I changed the plug completely, cleaned it all and the same thing happens from any outlet. Not sure what it can be.

    The entire thing is hardcased and I can’t get into it to find out.

  • Michelle Posted 20/05/2017 at 2:56 pm | Permalink | Reply

    Hi my pump was a 1,000 pound only had it three years my pond is very large my husband got it working but as soon as we put it back in pond it slows down and stops again have you any ideas please thank you .

  • Uan Posted 26/05/2017 at 8:00 pm | Permalink | Reply

    Hi there,

    We have an Oase Aquamax 8500. This morning it stopped working and tripped out the fuse on the fuse board. I gave the pump a good clean and there was some blanket weed and sludge in there. I put it back in the pond and all was fine fir a few hours then it stopped and tripped the fuse again. Do you think the motir is burned out because it was trying to work but was prevented from doing so by the clogging? Really stuck and the weather is helming the blanket weed to take hold.

  • colin rollinson Posted 30/05/2017 at 8:02 pm | Permalink | Reply

    i have moved into new house garden feature is water pump turns on runs for an average of 20 mins then fuses main house fuse box when stopping i have cleaned the pump and resevoir why does it fuse ?

  • Yvonne Creasy Posted 01/06/2017 at 10:57 pm | Permalink | Reply

    We have an unused Lotus Mermaid 4000 pump which has just been put into use in our new garden-wanted a pond for years and got one now grandchild is 4!

    It worked beautifully for a week, then stopped and when I removed it from the pond it was really hot and switched in and out of operation. Any cures for this or did I pay over £60 for a duff pump? Any help welcome

  • Greg Brough Posted 03/06/2017 at 8:04 pm | Permalink | Reply

    Hello, We have a small garden pond with a Hazelock 3354 1500 pump. When we moved in to the house, the fountain wouldn’t work as the RCDD kept tripping. I have taken the pump out of the water and cleaned everything although it was relatively clean. I have tried it out of the water and the pump works. Put it gradually into the water it pumps water strongly until the container base is all immersed and it trips again.
    Can you tell me what I can do?

  • Lewis Torrington Posted 21/06/2017 at 1:31 pm | Permalink | Reply

    Hi i have a blagdon pump with a umbrella fountain and filter system the umbrella fountain is working butit doesn’t seem to be filtering I’ve cleaned all the filterson the pump and the filter granules etc but still only the fountain works

  • John Roberts Posted 04/07/2017 at 10:18 pm | Permalink | Reply

    Reading through the comments and answers above, I am impressed by the service you deliver.
    I have an Oase 6000, probably about 4 – 5 years old that has stopped working due to impeller siesure (I have a blanket weed problem, which is subject to another query on which I would appreciate any advice). I have stripped the pump down to get access to the impeller rotor and housing but cannot see how to separate them. I have tried gentle pull force. Am I just being too timid?

    From reading your other posts, it just needs a good clean, so any help would be appreciated (also on the blanket wed issue – barley straw essence has proven to be ineffective)

    Thanks John

  • Robert Posted 10/07/2017 at 9:02 am | Permalink | Reply

    I have a Blagdon 2000l pump. When plugged in it blows the 5amp fuse in the Blagdon power safe outdoor switch box. Unfortunately it’s out of warranty and it’s a sealed pump any ideas?

  • Wyn Parkin Posted 21/07/2017 at 10:04 pm | Permalink | Reply

    I have a few pond pumps of different makes that I have taken out of service because I detected a small voltage between the water and earth. It’s about 5 volts and I wondered if that was normal or was I right in stopping their use and getting another (which is running correctly at present and with no voltage)(I found this voltage by dropping a test meter probe into the water and pushing the other probe into the soil around the pond). I can’t work out where this voltage is coming from, especially as they are mains operated and appeared to be working OK.

  • Alan Jenkinson Posted 07/08/2017 at 11:05 pm | Permalink | Reply

    I have an OASE ECO 12000. It has an infuriating problem. It stopped working on the timer. I checked the electrics and all is ok. I then stripped and cleaned the impeller and the interior. It started up fine and worked like a dream for 2 days. then it didn’t start on the timer again. It is only 14 months old but I have lost the receipt even though I have the 3 year guarantee it is likely useless. Any ideas? Is it worth simply replacing the Impeller? How do I know it is not something else? Do I need to buy a new pump – at £425, after14 months use I’ll be really miffed

  • Esther Posted 10/08/2017 at 12:02 am | Permalink | Reply

    My garden pump is running but no water is coming through. Any idea or suggestions on what the problem is?

  • Seymour Posted 12/09/2017 at 5:55 am | Permalink | Reply

    I have an Oase Aquamax expert 20000 pump working in a pond that’s cloudy. Likely fine bentonite clay in suspension, as that was what the pond was lined with, before filling with water. Installation was January 2017. Slowly but significantly, the volume of water flow has dropped. (It may still be dropping)

    I’ve been out in the dingy to check the screen and it’s clear. 2 inch outflow pipe and around 9-10 feet of head.

    Where do I start looking for the for the problem, now? Blunt/ clogged impeller?

  • Graham Posted 27/09/2017 at 6:52 pm | Permalink | Reply

    I have burned through allot of motors they generaly run full time fr two years more if i am lucky.If you take the impeller apart and clean it and it refuses to spin , its all over. I think the magnetic plulse that drives it messes up the magnets in the impeller section. They seem to buzz and sometimes try to aquardly turn. My thoughts are take it all appart one a year and clean it. I never think about it but i should . The one before this had a small twig stuck in the impeller. Removing it did not fix it as it had been trying to run and being in a fixed position after a while messsed the magnet or pulse up.cleaning mucky pond pumps is never much fun but worth doing . Look for replacements that have ceramic bearings sand and grit wont destroy them.I guess i have another 20′ power cord for something else when i cut it off. I save all the parts for repair of another but its always the same problem.

  • John Bowtell Posted 04/11/2017 at 2:00 pm | Permalink | Reply

    To Swell returns manager Phil Cross. Thank you so much for this advice. My Oasé Pump 8000 stopped working following a power cut this morning, it is 5 years old + and I thought a costly repair or, purchase a new one. ( I have though yearly cleaned the pump but without touching any screws) I followed your advice and found your advice spot on. I now have it running again and will service it twice yearly in the future. Again, thank you very much Phil. Kind regards, John

  • tibcon Posted 14/02/2018 at 7:09 am | Permalink | Reply

    very useful information provided to users … …thanks for sharing us…keep it posting…For More Information … Motor Run Capacitors

  • David Acosta Posted 05/03/2018 at 8:20 pm | Permalink | Reply

    Good afternoon, I was trying to take my pump out of my pond and trying to remove a hose from it before pulling out of the pond and the connector on the side of the pump broke off. Is there a water proof sealant or glue that you might recommend that could be used? There is not a hole in the side of the pump where I can see the impeller spinning.

  • David Acosta Posted 05/03/2018 at 8:21 pm | Permalink | Reply

    The is NOW a hole in the side of the pump!

  • Hilary Nicholls Posted 10/03/2018 at 10:00 am | Permalink | Reply

    Hi, I have and oase biopress 4000 which got frozen and as a consequence the lid clamps split. I have now replaced these but as soon as the pump was turned back on water began seeping out of the filter lid. Is there any way I can seal this or will I need to replace the whole thing?

  • Paul Rogers Posted 22/03/2018 at 5:30 pm | Permalink | Reply

    I have an Oase Aquamax 6000 which i use to feed my pond heater, it is sited in the pool. It is around 9-10 years old and suddenly has stopped working. The impellor blades are in perfect condition. I got access to the impeller but it is completely solid, it will not move. I have watched a few videos which mention the impeller and shaft should just pull but i cannot get it to move at all, i do not want to apply to much pressure to it just in case the blades snap off. What am i doing wrong or is the impeller not designed to be removed on this model? Should i call it a day and get another pump? Regards Paul

  • hedley Piper Posted 27/05/2018 at 12:19 pm | Permalink | Reply

    6 year old Oase Eco Aquamax 16000 pond pump to the filters. Power supply active. Trip not blown, fuse good.
    Taken to pieces (regularly) rota removed and throughly cleaned. No weed, No lime scale, a little sludge but freely turning.
    It does not work under water and if out of water “sings” to me when the power turned on and continues “singing” for 3 or 4 secs. when the power turned off. Why ?

    And more to the point is this terminal ? which will mean rewiring into the depths of the pond under everything as the pump lives in a cage under a rock ! in about 4ft 6″ of cold water !!! Present wiring is through a seal in the liner. Thank you.

  • heather Posted 01/06/2018 at 2:11 pm | Permalink | Reply

    i have a Bermuda pond pump , its been working fine, but now its not pumping water out ,any ideas anyone, pump is still working , cleaned it all thoroughly

  • Roger Heather Posted 06/06/2018 at 2:27 pm | Permalink | Reply

    I have a oase aquamax eco premium it has been working ok came down one mornings and noticed the waterfall was not working and one of the swichs in the house junction box had flicked-off, when the pump is out of water it works ok you can hear the propeller going round, but when you put it in water it stops and and the junction box swich flicks off

  • Elizabeth Hooper Posted 09/06/2018 at 1:49 pm | Permalink | Reply

    Hi I have just bought a Blaydon energy saver pond pump 3000-6000 . plugged it in and coming up with jammed error 3. Please help

  • Sean Posted 06/08/2018 at 7:05 pm | Permalink | Reply

    Hi I have a Oase promax 30000 one of the pumps has stoped any clues guys please

  • Steve Posted 08/08/2018 at 10:07 am | Permalink | Reply

    does anyone why my pump works ok then slows down. i switch it off and switch it on a few times it works

  • Thomas Forster Posted 16/08/2018 at 6:12 pm | Permalink | Reply

    Hi Hozelock type 29207 240v. 50Hz clean and WD 40 not working advice please. Thomas

  • Alan cumming Posted 30/08/2018 at 6:14 am | Permalink | Reply

    6000 bio pump, runs 5mins then trips, where is likely problem?
    all appears fine, no water ingress onto uv when taken apart.

  • simon Posted 05/04/2020 at 10:47 pm | Permalink | Reply

    my ecomax 1200 12v pump has developed a much reduced flow . I have striped and cleaned the impeller and pump body . all looks fine . I have connected a new length of pipe to check it is not the existing pipe work still low flow . The drop in flow started 2 weeks ago , but sudenly went back to normal for an hour . Unfortunatly the flow is awfull again.
    As it is transformer driven could it be a voltage drop ? also could it be a temp sensor problem ? or a gasket ? Any help would be greatly recieved as its only 4 years old

    • Jeremy Gay Posted 07/04/2020 at 8:46 am | Permalink

      It may be the transformer, so I would start by sourcing a new one of those if the pump is out of warranty. Change the transformer and hopefully the pump will be good again.

  • mandy Posted 07/04/2020 at 1:17 pm | Permalink | Reply

    Hi I have an Oase Aquamax 16000 which is a few years old. It stopped pumping so took it apart to see (as per your guidance) and it works dry but doesn’t pump under the water. I have checked the pipelines and nothing blocked either on intake or discharge. do you have any ideas what might be wrong please, or can I send it to you? thanks, Mandy

  • simon Posted 08/04/2020 at 9:54 am | Permalink | Reply

    Thanks Jeremy
    I have checked the transformer and have a good solid 13v so not sure it is power . Is it worth trying a car battery ?
    The pump sounds fine and is moving about half the normal volume of water , Does the temp sensor sit in the pump water .
    Also the impeller looks fine but I don’t know what to compare it to . Would love to see a diagram of the pump .

  • Andrew Posted 10/04/2020 at 12:00 pm | Permalink | Reply

    Hello . I have an Oase 2500 Fountain Pump for four years and have so far purchased 3 replacement Impellars , the last one being on November last year . I seem to always get the same problem in that the the fountain vibrates and a small amount of water is attempting to escape through the spray top . My usual action is to take the pump apart and clean , although its not blocked theres no weed . There is a black rubber O ring that seems to go hard and prevent ease of rotation on the paddle and even squeaks when turned . I have tried applying a small amount of vaseline to the area in the ring and this does make the pump work and resumes to full power . Getting a little tired of repeating this issue now. Do you have any suggestions please Kind regards Andrew

    • Jeremy Gay Posted 14/04/2020 at 9:12 am | Permalink

      Hmmm, having to replace that many impellers is unusual, especially in a premium pond pump brand, and a fountain pump, where the cage actually protects large objects from gravel getting in and damaging the impeller. Vibration and damaged impellers sounds like the shaft could be damaged, or not straight, causing the impeller blades to hit the side and break, or that there may be an obstruction or anomaly inside the impeller chamber, which is causing the impeller to not spin freely and on a straight, central axis. It may be worth sending Oase some pictures of the full impeller assembly including inside the impeller chamber with impeller removed, to see if they can see that anything is missing or not as it should be.

  • Michael Simmons Posted 13/04/2020 at 8:53 pm | Permalink | Reply

    I purchased an OASE AQUAMAX 5500 PUMP ON THE 11/4/01 it has ran 24/7 ever since. it has now started to run slower and the flow rate has reduced significantly. do you think i should buy a new one.is the quality the same on the latest ones.
    thanks mike
    ps i still have the bill of sale certificate of guarantee.

    • Jeremy Gay Posted 14/04/2020 at 9:33 am | Permalink

      Wow, nearly twenty years of continuous use is excellent, but not unheard of with Oase Aquamax pumps. Even so, it may be time for a new one. The Aquamax range now includes Premium and Classic. Choose Premium and register for another five years of warrantied trouble-free performance https://www.swelluk.com/oase-aquamax-eco-premium/

  • Warren Hamilton Posted 16/04/2020 at 5:19 pm | Permalink | Reply

    Hello, I have a Jeboa PF 3000T pump and it sounds like the impellor bearings have gone. I cant see a way to get at it other than somehow unscrewing the housing at the front. I dont want to break it but would appreciate it if you can tell if that’s the way to get to the impellor.

    • Jeremy Gay Posted 21/04/2020 at 9:29 am | Permalink

      The electricals in pond pumps are sealed in resin, and the only bit that you can access is the impeller. Unscrew the impeller chamber and remove the impeller, which is held in by the magnet on the imeller body. The impeller will be the only bit you can inspect and swap if damaged.

  • Dave Rolph Posted 20/04/2020 at 12:06 pm | Permalink | Reply

    Hi there, great article !

    So I have a Fishmate 9000 (about 3 years old) that had stopped working (just making a horrible noise), I checked the impetter and it was fine but then realised there was a screw in the end and just needed to be tightened, so pleased when it was up and running as good as the day I bought it, this ran for a week until I switched it off to clean some weed from it, then when I switched it on the fuse blew.

    I have checked the cables for damage and the plug end, and all is fine but it just keeps blowing fuses, is it time to put in the bin or can I get someone to take a look at it ?

    Thanks in advance

    • Jeremy Gay Posted 21/04/2020 at 10:03 am | Permalink

      Hi Dave, sounds like its time for a new pump. can’t be too careful with electricals!

  • Gareth Monk Posted 23/04/2020 at 7:34 pm | Permalink | Reply


    I have a fishmate 4500. when i run my pump without it being attached to the filter it pumps a good flow. as soon as i attach the filter, the flow has an initial decent speed and then slows around half flow after that. i have stripped the filter down to try and understand how it can be backing the water up, which i don’t see anything. i then put it back together and good for a few days before slowing back down. it seems that something in the filter is choking the flow. i’m trying to get access to the power cleanz area but struggling to get that apart.

    the uv chamber plastic holder has also cracked so letting water into the uv light and tripping electrics. going to try and make a seal for that as can’t find any replacement parts around that unless you have any ideas.

    kind regards

    • Jeremy Gay Posted 28/04/2020 at 10:08 am | Permalink

      I wouldn’t take a chance with water and electrics, and if there isn’t a new, sealed UV unit available to replace it with, I would look to buy a new unit. Regarding pump flow reduction, try removing all the media and running the pump and filter like that to see if flow is still reduced after a few days. If it isn’t, new media is necessary. That, or the pond is dirty enough to be clogging the media after a few days of use, so frequent, maybe daily cleaning may be the only solution. But due to the UV issue and flow reduction I would invest in a new, larger unit.

  • Andrew Barrow Posted 25/04/2020 at 10:38 am | Permalink | Reply

    Hi Dave

    I have a oase. Pond pump the motor spins but doesn’t move any water?
    Is this a common thing
    Can anyone help?

    • Jeremy Gay Posted 28/04/2020 at 10:15 am | Permalink

      Hi there, no, that sounds very uncommon. Usually, by virtue of the impeller spinning, the blades move the water. Disconnect the pump from all hoses and filters and place it in a bucket of water. If the impeller is spinning it should pump. Then you no that there is a blockage or valve, or too much head loss, somewhere else in the system.

  • Gary Skinner Posted 25/04/2020 at 4:44 pm | Permalink | Reply

    I have a pump which is over 10 years old. Works fine but I seem to maybe have lost a part . I have a two-way thing with a tap to direct it to a fountain or filter. I wan to to filter but when I turn the tap it still comes out upward from another outlet, hard to describe, can I upload a pic?

Add your comment

* Required fields